@extends('layouts.admin')

@section('header', 'Invoice Management')

@section('content')
    <div class="container mx-auto px-4 sm:px-6 lg:px-8 py-8">
        <!-- Header section with actions -->
        <div class="flex flex-col md:flex-row md:items-center md:justify-between mb-8">
            <div>
                <h1 class="text-2xl font-bold text-gray-900 sm:text-3xl">Invoice Management</h1>
                <p class="mt-2 text-sm text-gray-500">Manage your invoices and billing</p>
            </div>
            <div class="mt-4 md:mt-0 flex flex-col sm:flex-row space-y-2 sm:space-y-0 sm:space-x-3">
                <a href="{{ route('admin.invoices.create') }}" class="inline-flex items-center justify-center px-4 py-2 border border-transparent text-sm font-medium rounded-lg shadow-sm text-white bg-rose-600 hover:bg-rose-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-rose-500">
                    <i class="fas fa-plus mr-2"></i>
                    New Invoice
                </a>
            </div>
        </div>

        <!-- Alerts -->
        @if(session('success'))
            <div class="bg-green-100 border border-green-400 text-green-700 px-4 py-3 rounded relative mb-4" role="alert">
                <span class="block sm:inline">{{ session('success') }}</span>
            </div>
        @endif
        
        @if(session('error'))
            <div class="bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded relative mb-4" role="alert">
                <span class="block sm:inline">{{ session('error') }}</span>
            </div>
        @endif

        <!-- Invoices list -->
        <div class="bg-white shadow overflow-hidden sm:rounded-lg">
            <div class="overflow-x-auto">
                <table class="min-w-full divide-y divide-gray-200">
                    <thead class="bg-gray-50">
                        <tr>
                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                Invoice #
                            </th>
                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                Client
                            </th>
                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                Date
                            </th>
                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                Due Date
                            </th>
                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                Total
                            </th>
                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                Status
                            </th>
                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                Actions
                            </th>
                        </tr>
                    </thead>
                    <tbody class="bg-white divide-y divide-gray-200">
                        @forelse($invoices as $invoice)
                            <tr class="hover:bg-gray-50">
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <div class="text-sm font-medium text-gray-900">
                                        {{ $invoice->invoice_number }}
                                    </div>
                                    @if($invoice->project)
                                        <div class="text-xs text-gray-500">
                                            {{ $invoice->project->name }}
                                        </div>
                                    @endif
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <div class="text-sm font-medium text-gray-900">
                                        {{ $invoice->client->name }}
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <div class="text-sm text-gray-500">
                                        {{ \Carbon\Carbon::parse($invoice->issue_date)->format('M d, Y') }}
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <div class="text-sm text-gray-500">
                                        {{ \Carbon\Carbon::parse($invoice->due_date)->format('M d, Y') }}
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <div class="text-sm text-gray-900 font-medium">
                                        {{ number_format($invoice->total, 2) }}
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <span class="px-2 inline-flex text-xs leading-5 font-semibold rounded-full 
                                        @if($invoice->status == 'paid') 
                                            bg-green-100 text-green-800
                                        @elseif($invoice->status == 'overdue')
                                            bg-red-100 text-red-800
                                        @elseif($invoice->status == 'sent' || $invoice->status == 'pending')
                                            bg-yellow-100 text-yellow-800
                                        @elseif($invoice->status == 'cancelled')
                                            bg-gray-100 text-gray-800
                                        @else
                                            bg-blue-100 text-blue-800
                                        @endif">
                                        {{ ucfirst(str_replace('_', ' ', $invoice->status)) }}
                                    </span>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap text-sm font-medium">
                                    <div class="flex space-x-2">
                                        <a href="{{ route('admin.invoices.show', $invoice) }}" class="text-rose-600 hover:text-rose-900" title="View Invoice">
                                            <i class="fas fa-eye"></i>
                                        </a>
                                        
                                        <a href="{{ route('admin.invoices.edit', $invoice) }}" class="text-blue-600 hover:text-blue-900" title="Edit Invoice">
                                            <i class="fas fa-edit"></i>
                                        </a>
                                        
                                        <a href="{{ route('admin.invoices.downloadPdf', $invoice) }}" class="text-green-600 hover:text-green-900" title="Download PDF">
                                            <i class="fas fa-file-pdf"></i>
                                        </a>
                                        
                                        @if($invoice->status != 'sent')
                                            <form action="{{ route('admin.invoices.send', $invoice) }}" method="POST" class="inline-block">
                                                @csrf
                                                <button type="submit" class="text-indigo-600 hover:text-indigo-900" title="Send Invoice">
                                                    <i class="fas fa-paper-plane"></i>
                                                </button>
                                            </form>
                                        @endif
                                        
                                        @if($invoice->status != 'paid' && $invoice->status != 'cancelled')
                                            <form action="{{ route('admin.invoices.markAsPaid', $invoice) }}" method="POST" class="inline-block">
                                                @csrf
                                                <button type="submit" class="text-green-600 hover:text-green-900" title="Mark as Paid">
                                                    <i class="fas fa-check-circle"></i>
                                                </button>
                                            </form>
                                        @endif
                                        
                                        <form action="{{ route('admin.invoices.destroy', $invoice) }}" method="POST" class="inline-block"
                                            onsubmit="return confirm('Are you sure you want to delete this invoice? This action cannot be undone.');">
                                            @csrf
                                            @method('DELETE')
                                            <button type="submit" class="text-red-600 hover:text-red-900" title="Delete Invoice">
                                                <i class="fas fa-trash"></i>
                                            </button>
                                        </form>
                                    </div>
                                </td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="7" class="px-6 py-12 whitespace-nowrap text-center">
                                    <div class="text-gray-400">
                                        <i class="fas fa-file-invoice-dollar text-4xl mb-4"></i>
                                        <p class="text-sm font-medium text-gray-500 mb-2">No invoices found</p>
                                        <p class="text-xs text-gray-400 mb-4">Get started by creating your first invoice</p>
                                        <a href="{{ route('admin.invoices.create') }}" class="inline-flex items-center px-3 py-2 border border-transparent text-sm leading-4 font-medium rounded-md text-white bg-rose-600 hover:bg-rose-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-rose-500">
                                            <i class="fas fa-plus mr-1"></i>
                                            New Invoice
                                        </a>
                                    </div>
                                </td>
                            </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>
            
            @if(isset($invoices) && $invoices->hasPages())
                <div class="px-4 py-3 border-t border-gray-200 sm:px-6">
                    {{ $invoices->links() }}
                </div>
            @endif
        </div>
    </div>
@endsection